Episode 134: Hormones and the Endocrine System
The Science of Everything Podcast
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How Do Hormones Work?
Many hormones have, as their target, other cells that produce hormones. So the specialized cells contained in endocrine glands will often store those hormones. I think they always store them in vesicles, which is basically like a little bubble of membrane inside the cell. And so once that happens, that binding to the receptor triggers a conformational change in the receptor and then instigates a signaling transduction cascade within the cell. It's these sorts of signal transaction processes that are behind the actual process by which hormones produce their effects in the target cell.
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